目的 探讨及比较CURB-65、PSI、SMART-COP及APACHEⅡ 4种临床评分对重症社区获得性肺炎(SCAP)患者的早期诊断价值。方法 采用前瞻性研究方法,收集2011年10月—2014年2月广州市第一人民医院呼吸内科收治的67例SCAP及同期33例普通CAP患者的临床资料,记录入组后24小时内CURB-65、PSI、SMART-COP及APACHEⅡ评分的最差值,比较4种临床评分系统对SCAP的早期诊断价值。结果 SCAP组CURB-65、PSI、SMART-COP及APACHEⅡ评分均高于普通CAP组患者[CURB-65(分):3.06±1.10 比0.85±0.79,P<0.001;PSI(分):144.93±36.48比73.94±27.17,P<0.001; SMART-COP(分):6.54±1.41比 1.67±1.02,P<0.001; APACHEⅡ(分):20.79±5.69比7.94±3.87,P<0.001]。CURB-65≥3分、PSI≥130分、SMART-COP≥3分及APACHEⅡ≥15分诊断SCAP的受试者工作特征曲线(ROC)下面积(AUC)分别为0.940[95% CI:0.89~0.98, P<0.001],0.933[95%CI:0.88~0.97,P<0.001],0.999[95%CI:0.99~1.0,P<0.001],0.976[95%CI:0.95~0.99,P<0.001],敏感度分别为65.6%、71.6%、100%、88.1%,特异度分别为100%、100%、78.7%、93.9%。结论 CURB-65及PSI评分特异度好,但敏感度低,易漏诊,SMART-COP和APACHE Ⅱ评分诊断效能更佳。

Objective To evaluate and compare the early diagnosis value of CURB-65,PSI,SMART-COP and APACHEⅡin patients with severe community-acquired pneumonia. Methods This was a prospective study conducted in department of respiratory in Guangzhou First People's Hospital. We included 67 SCAP patients and 33 CAP patients between October of 2011and February of 2014. The lowest scores within 24 hours of CURB-65 score,PSI score,SMART-COP score,APACHE Ⅱ score,respectively,for each patients were recorded. Prediction of SCAP as made in four scoring systems was compared. Results CURB-65 score,PSI score,SMART-COP score,APACHE Ⅱ score were higher in SCAP as compared with that of CAP(CURB-65:3.0±1.1 vs 0.9±0.8,P<0.001;PSI:144.6±36.4 vs 73.9±27.1,P<0.001; SMART-COP:6.5±1.4 vs 1.6±1.0,P<0.001; APACHEⅡ:20.6±5.6 vs 7.9±3.8,P<0.001). ROC curve for CURB-65 score≥ 3 scores,PSI score≥ 130 scores,SMART-COP score≥3 scores and APACHE Ⅱ score ≥ 15 scores in the early diagnosis SCAP were 0.940[95%CI:0.89~0.98,P<0.001],0.933[95%CI:0.88~0.97,P<0.001],0.999[95%CI:0.99~1.0,P<0.001],0.976[95%CI:0.95~0.99,P<0.001]. Sensitivity of four kinds of scoring system was 65.6%,71.6%,100%,88.1%, with specificity of 100%,100%,78.7%,93.9% respectively. Conclusion The specificity of diagnosis was better in the CURB-65 and PSI score,but the sensitivity was low and easy to miss diagnosis. SMART-COP and APACHEⅡscore systems had a better diagnostic value on SCAP.

目的 探讨早期肠内营养集束治疗对重型颅脑损伤患者营养状态及体液免疫功能的影响。方法 42例重型颅脑损伤患者按病人住院号分为两组,单号延迟普通营养治疗组(PT组,21例),双号早期营养集束治疗组(JS组,21例)。于营养治疗开始的第1、7、14天观察营养相关指标、免疫功能指标和ICU住院时间,采用t检验进行统计分析。结果 ①JS组患者血清白蛋白、前白蛋白、血红蛋白与PT组比较均明显升高,有统计学意义(P＜0.05),且各营养指标较治疗前亦明显升高(P＜0.05)。②JS组患者IgG、IgM、IgA、外周淋巴细胞计数(TLC)与PT组比较均明显升高,有统计学意义(P＜0.05),并且较治疗前均有明显改善(P＜0.05)。③JS组患者在ICU的住院时间比PT组减少约1天,但两组比较无统计学意义(P＞0.05)。结论 重型颅脑损伤可出现营养不良和免疫功能下降,规范的早期肠内营养集束治疗可改善病人营养状况,提高体液免疫功能。

Objective To study the changes in the nutritional status and humoral immunity after early enteral-nutrition bundle treatment in patients with severe traumatic brain injury. Methods 42 patients with severe traumatic brain injury were randomly divided into two groups,i.e. delayed common nutrition group (PT- group,21 cases),and early bundle nutrition group(JS-group,21 cases). All cases were tested at day1, day 7,day 14 of nutrition treatment, for detecting the nutrition related index, humoral immune index and ICU monitoring time, T-test was used for datastatistical analysis. Results ①Compared with PT-group, the serum albumin,prealbumin and hemoglobin in JS-group were significantly higher(P＜0.05), also had significant increase compared with before treatment in JS-group (P＜0.05). ②The serum levels of IgG, IgM, IgA and total lymphocyte count(TLC) were significantly higher in JS-group than those in PT-group(P<0.05), and significantly improved compared with before treatment in JS-group(P＜0.05). ③The ICU monitoring time of patients in JS-group was one-day less than that in PT-group, but there was no statistical significant difference between them(P＞0.05). Conclusion There had malnutrition and immune function decline in the patients with severe traumatic brain injury, in whom early enteral-nutrition bundle treatment can improve nutritional status and enhance the humoral immune function.

目的 探讨单倍体亲缘异基因造血干细胞移植治疗重型再生障碍性贫血(SAA)的可行性。方法 对1例诊断SAA 4年余,先后经CsA治疗、脐血移植治疗均无效并反复输注红细胞、血小板的12岁男性患者进行单倍体亲缘异基因造血干细胞移植,供者为其胞兄,高分辨HLA基因型5/10相合,预处理方案为BU+CTX+ATG:BU 3.2 mg/kg×2 d,CTX 50 mg/kg×4 d,ATG 2.5 mg/kg×4 d。干细胞来源为G-CSF动员的骨髓+外周造血干细胞,共计输注单个核细胞(MNC)4.055×10⁸/kg(受者体重),CD 34 2.331×10⁶/kg。GVHD预防:-1 d采用与受者HLA部分相合的第三方脐带血细胞,术后联合应用环孢素A、短程氨甲碟呤、霉酚酸酯。结果 造血缓慢重建,术后22天(+22 d)ANC>0.5×10⁹/L,术后3月血小板脱离输注。+26天DNA指纹图全部表现为供者基因型。+40天血型转为供者型“O”型。+29 d出现急性移植物抗宿主病aGVHD(胃肠型,Ⅲ度),+31 d、+34 d及+42 d予巴利昔单抗20 mg静滴,+40 d、+44 d、+63 d输注间充质干细胞,患者急性GVHD逐渐控制。期间曾出现肺部感染、口腔黏膜炎及巨细胞病毒血症,经抗感染后可控制。现随访3年,血象正常稳定,Kamofsky评分100分。结论 单倍体亲缘异基因造血干细胞移植治疗SAA,对无相合供者(包括亲缘或非亲缘)且强效免疫抑制治疗失败的患者,可考虑进行,GVHD和感染为主要并发症,需根据患者病情采用相应措施。

Objective To investigate the feasibility of haploid genetic allogeneic hematopoietic stem cell transplantation in the treatment of severe aplastic anemia(SAA) in our hospital. Methods A 12-year-old patient with acquired SAA for 4 years showed no response to CsA and cord blood transplant treatment and was transfusion-dependent. Lacking an HLA-identical sibling donor, the patient was treated with HSCT from his brother 5/10 matched at the generic level. Theconditioning regimen was BU+CTX+ATG:BU 3.2 mg/kg×2 d,CTX 50 mg/kg×4 d,ATG 2.5 mg/kg×4 d. Stem cells were the source of G-CSF mobilization of bone marrow and peripheral blood stem cells, dose of stem cells infused: mononuclear cells (MNC) 4.055×10⁸/kg (body weight of subject), CD34 2.331×10⁶/kg. Prevention of GVHD: -1 d Third-party umbilical cord blood cells which were HLA partially matched were used. Postoperative joint use included cyclosporine A, short-course methotrexate, mycophenolate mofetil. Results Hematopoiesis was slowly rebuilding, 22 d after surgery (+22 d) ANC> 0.5×10⁹/L, after three months departing from transfusion of platelets. +26 d suggesting that the DNA fingerprints showed donor genotypes. +40 d into donor blood type “O” type. + 29 d occurred acute GVHD (GI type, Ⅲ degrees), + 31 d, + 34 d + 42 d infusion of basiliximab 20mg, + 40 d, + 44 d, + 63 d infusion of mesenchymal stem cells. Gradually acute GVHD was controlled in the patient, who had lung infections, oral mucositis and cytomegalovirus viremia, could be controlled with anti-infective. Now followed up for 3 years, hemogram change has been normal and stable. Kamofsky score was 100 points. Conclusion It may be considered to have haploid genetic allogeneic hematopoietic stem cell transplantation for treatment of SAA, for those patients who have non-matched donor (including relatives and non-relatives) and potent immunosuppressive therapy failure. GVHD and infection are major complications. Need to adopt appropriate measures in accordance with the patient's condition.

目的 探讨重症急性胰腺炎诊治特点。方法 回顾性分析13例重症急性胰腺炎患者临床资料,包括一般资料、生化检测及影像资料、治疗措施与预后结果,纳入标准为急性胰腺炎合并器官衰竭＞48 h(改良Marshall评分≥2分)。结果 重症急性胰腺炎患者一般资料中普遍突出存在心率增快(121.07±28.09)次/分、APACHE II评分偏高(18.92±7.34),病因排序则是高脂血症(38.5%)＞胆石症(30.8%)＞酒精性(23.1%),SAP合并ARDS发生率可达46.2%,合并AKI则高达69.2%;WBC(12.60±5.57)×10⁹/L、CRP(138.16±67.06)mg/L及PCT(15.76±27.33)ng/L等炎症指标升高提示SAP普遍存在炎症反应,影像学中69.2%患者合并发生肺炎及腹腔积液则提示多处感染部位,其他脏器指标异常升高也提示SAP患者心肺肝肾均存在不同程度的受损;接受CRRT治疗及呼吸支持可分别达46.2%及76.9%,7天内死亡例数为1例(7.7%),28天内死亡例数为4例(30.8%),ICU及总住院时间为(10.77±7.38)及(19.61±13.40)天。结论 重症急性胰腺炎是全身及局部性的炎症反应累及全身各个脏器的急性复杂病变,以合并发生ARDS及AKI为临床特征,需要多器官功能保护与替代、外科干预等多学科综合协作治疗。

Objective To evaluate characteristics of diagnosis and treatment on severe acute pancreatitis. Methods To respective analysis clinical data of 13 patients with severe acute pancreatitis. The data included baseline characteristics, biochemical tests and imaging data, treatment and prognosis, inclusion criteria for acute pancreatitis with organ failure > 48 h (modified Marshall score > 2). Results Higher heart rate(121.07±28.09) times/min and APACHEII scores(18.92±7.34) were universally found in SAP, which primary disease contained hyperlipidemia (38.5%) > cholelith disease (30.8%) > alcohol (23.1%) with incidence of ARDS and AKI being 46.2% and 69.2%; Higher inflammatory biomarkers including WBC(12.60±5.57)×10⁹/L, CRP(138.16±67.06)mg/L and PCT(15.76±27.33)ng/L indicated widespread inflammation with many infection sites revealing by 69.2% pneumonia and peritoneal effusion on imaging; Other abnormally biochemical index prompted some injury of viscera including heart, lungs, kidney and liver; 1 case suffered death within 7 days and 4 cases also did within 28 days, ICU and total length of hospital stay was (10.77±7.38) and (19.61±13.40) days, CRRT treatment and respiratory support respectively reached 46.2% and 46.2%. Conclusion Severe acute pancreatitis is a acute complex pathological changes on various organs induced by acute systemic and local inflammation with feature of mergence with the ARDS and AKI, which need the multidisciplinary integrated collaborative treatment on organ function protection and sustain and surgical intervention.

目的 探讨术中控制性减压对儿童重型颅脑损伤的治疗作用。方法 122例儿童重型颅脑损伤需要开颅手术减压患者,术中随机分成控制性减压手术研究组(60例)和常规手术治疗对照组(62例)进行治疗,观察两组患者术后脑梗死的发生率及预后。结果 研究组术后脑梗塞发生率为6.7％(4例),低于对照组的17.7％(11例)(P<0.05);术后6个月采用GOS标准进行预后判定,治疗组不良预后(重残、植物状态、死亡)有9例占15.0%,低于对照组的23例(37.1%)(P<0.05)。结论 术中采用控制性减压能减少儿童重型颅脑损伤患者术后脑梗塞的发生率及明显改善患者的预后。

Objective To investigate the clinical efficacy of intraoperative controlling decompression in treating of severe craniocerebral injuries in children. Methods 122 cases of severe craniocerebral injuries in children who needed surgical decompression by craniotomy were randomly divided into control decompression surgical group(60 cases)and conventional surgical group(62 cases).The incidence of postoperative cerebral infarction and the outcome according to GOS scores after 6 months were observed in two groups. Results The incidence of postoperative cerebral infarction was 6.7% in controlling decompression surgical group and 17.7% in conventional surgical group. The differences between two groups were statistical significant(P<0.05); The all poor prognosis patients(severely disabled, vegetative state and death) were 9 cases in controlling decompression surgical group and 23 cases in conventional surgical group. The differences between two groups were statistical significant(P<0.05). Conclusion Intraoperative controlling decompression can significantly reduced the incidence of postoperative cerebral infarction and improved the poor prognosis patients of severe craniocerebral injuries in children.

目的 确定CD4⁺CD25⁺Treg调节性T细胞在重症肺炎克雷伯菌肺炎中的表达以及意义,探讨CD4⁺CD25⁺Treg在重症肺炎克雷伯菌肺炎的免疫抑制中的调控作用。方法 通过气管内滴注肺炎克雷伯菌菌液建立重症肺炎模型。采用流式细胞仪检测CD4⁺CD25⁺Treg细胞及酶联免疫吸附法(ELISA)等方法检测各种细胞因子。结果 重症肺炎克雷伯菌肺炎大鼠的脾脏和肺中CD4⁺CD25⁺Treg的数量增加。使用了CD25抗体(PC61)去除机体内源性的CD4⁺CD25⁺Treg,分别去除脾脏和肺的94%和90%的CD4⁺CD25⁺Treg。CD25抗体组在建模4 h,12 h及24 h后,肺部MPO及血清IL-1,IL-6,MIP-2较对照组高(P<0.05),肺和BLA比对照组高(P<0.05),CD25抗体组大鼠生存率比对照组低(P<0.05)。结论 内源的CD4⁺CD25⁺Treg对大鼠抑制重症肺炎克雷伯菌肺炎的过度免疫损害反应起到保护作用。

Objective To confirm the expression and meaning of the T regular cell in the severe Klebsiella pneumonia, and to evaluate the regular and control affect in the immunologic suppression of the severe Klebsiella pneumonia. Methods To build the severe pneumonia model by intratracheally inoculated with Klebsiella pneumoniae bacteria. To check sorts of inflammation factors by the methods of ELISA and flow cytometry. Results The quantity of the CD4⁺CD25⁺Treg in the splenic and lungs of the mice with severe Klebsiella pneumonia were increased. Anti-CD25Ab(PC61) was used to remove endogenousCD4⁺CD25⁺Treg. Anti-CD25 treatment remove 90% of CD4⁺CD25⁺Treg cells. The cytokine production(IL-1β,IL-6,MIP-2)in the anti-CD25-treated group were significantly increased. And it also increased significantly in the airway neutrophil infiltration, while the survival rate had been decreased. Conclusion Endogenous CD4⁺CD25⁺Treg can provide obvious protection effect to the restraining the over immunity damage of the severe Klebsiella pneumonia for the mice.

目的 探讨超声定位技术在重度水肿患儿颈内静脉置管中的应用效果。方法 选择重度水肿患儿23例,年龄1岁4个月～6岁,在超声引导下行颈内静脉置管。结果 本组23例患者均置管成功,置管成功率为100％,一次性穿刺成功率为91.3％,无1例发生出血、血气胸、血肿、空气栓塞等并发症。结论 超声引导定位重度水肿患儿颈内静脉置管,能有效提高穿刺成功率,减少并发症的发生。

       目的   探讨支气管镜灌洗用于儿童重症肺部感染合并肺实变的治疗效果及对CT特征、肺功能的影响。方法   选取2022年5月—2024年5月铜仁市人民医院收治的100例重症肺部感染合并肺实变患儿开展前瞻性研究，应用随机数表法分为对照组和观察组，每组各50例。对照组患儿采取常规治疗，观察组则采取常规治疗加支气管镜灌洗治疗。对比其临床疗效，治疗前后炎症因子、CT特征及肺功能变化。结果   观察组治疗总有效率高于对照组（P＜0.05）；治疗后观察组患儿白细胞计数（10.36±2.52）×10⁹ /L、白细胞介素-6（20.57±5.05）ng/L、C反应蛋白（13.12±2.64）mg/L、降钙素原（101.62±12.16）pg/L均低于对照组白细胞计数（13.25±3.32）×10⁹ /L、白细胞介素-6（31.69±4.11）ng/L、C反应蛋白（16.16±4.44）mg/L、降钙素原（113.46±18.11）pg/L（P＜0.05）；治疗后两组患儿胸腔积液、支气管壁增厚、空气支气管征、肺部实变、磨玻璃影等相关CT影像特征占比下降，且观察组低于对照组（P＜0.05）；治疗后两组患儿呼气流量峰值水平均升高，观察组（90.67±18.45）L/s高于对照组（81.27±17.69）L/s，用力肺活量水平均更高，观察组（3.33±0.68）L高于对照组（2.68±0.25）L（P＜0.05）。结论   针对儿童重症肺部感染合并肺实变，在常规治疗基础上增加支气管镜灌洗可提升临床疗效，减轻机体炎症反应，改善胸部CT各种表现及肺功能。

        Objective  To explore the therapeutic effects of bronchoalveolar lavage in children with  severe pulmonary infection complicated by lung consolidation and its impact on CT features and pulmonary function．Methods A prospective study was conducted on 100 children with severe pulmonary infection complicated with pulmonary consolidation in a hospital from May 2022 to May 2024．They were randomly divided into observation group and control group using a random number table method，50 cases in each group．The control group of children received routine treatment，and the observation group received conventional treatment plus bronchoalvelar lavage．Clinical efficacy，inflammatory factors，CT features，and alterations in pulmonary function before and after therapy were compared．Results  The total effective rate of the observation group was higher than that of the control group（P＜0.05）．After treatment，the white blood cell count（10.36±2.52）×10⁹ /L，interleukin-6（20.57±5.05）ng/L，C-reactive protein（13.12±2.64）mg/L，and procalcitonin（101.62±12.16）pg/L in the observation group were all lower than those in the control group（13.25±3.32）×10⁹ /L，interleukin-6（31.69±4.11）ng/L，C-reactive protein（16.16±4.44）mg/L，and procalcitonin（113.46±18.11）pg/L（P＜0.05）．After treatment，the proportion of CT imaging features such as pleural effusion，bronchial wall thickening，air bronchogram sign，lung consolidation，ground glass opacities，decreased in both groups of children，and the observation group was lower than the control group（P＜0.05）．After treatment，the peak levels of expiratory flow in both groups of children increased，with the observation group（90.67±18.45）L/s higher than the control group（81.27±17.69）L/s．The forced vital capacity levels were also higher，with the observation group（3.33±0.68）L higher than the control group（2.68±0.25）L（P＜0.05）．Conclusions  Adding bronchoalvelar lavage to routine treatment for children with severe pulmonary infection complicated with pulmonary consolidation can improve their clinical efficacy，alleviate inflammatory reactions，and improve various chest CT manifestations and lung function．

       目的   分析重症烧伤患者血培养标本中检测出念珠菌的临床分布，探究重症烧伤患者血流念珠菌感染的病原学特征。方法   选取2012—2023年在广州市红十字会医院住院治疗的重症烧伤患者血培养标本1 148份，分析分离出念珠菌的非重复患者病死率、菌种分布、同时送检的其他类型标本念珠菌培养结果及患者念珠菌血流感染的检出时间与季节分布、抗菌药物使用情况及对常用抗真菌药物的耐药情况。结果  1 148份血培养标本中77份检出真菌，阳性率为6.71%。检出念珠菌感染的非重复患者27例，其中近平滑念珠菌13例，构成比为48.15%、白念珠菌8株，构成比为29.63%。血与静脉导管培养均检出念珠菌的有22例（81.48%）；血与伤口分泌物培养圴检出念珠菌的有10例（37.04%）；血、静脉导管、伤口分泌物培养圴检出念珠菌的有4例（14.81%）。静脉导管检出念珠菌高于其他类型标本。27例重症烧伤患者血流感染检出念珠菌的时间主要分布在入院后第2~3周、季节主要分布在春夏季。近平滑念珠菌、白念珠菌、热带念珠菌对氟康唑敏感率分别为83.33%、87.50%和75.00%。结论   重症烧伤患者血流近平滑念珠菌检出率最高，发生血流感染时间主要在春夏季及烧伤入院后第2~3周，静脉导管留置是增加重症烧伤患者念珠菌血流感染的因素。我院念珠菌对抗真菌药物具有较高敏感性。

      Objective  To retrospective analyze the clinical distribution of Candida species detected in blood cultures of patients with severe burns and to investigate the etiological characteristics of Candida bloodstream infections in these patients．Methods  A total of 1 148 blood culture specimens were collected from patients with severe burns hospitalized at an institution between 2012 and 2023．Patients data with Candida bloodstream infections isolated from 1 148 blood culture specimens were analyzed，including mortality rates，species distribution，Candida culture results from other simultaneously collected specimen types，and the timing and seasonal distribution of Candida bloodstream infections，the use of antibiotics and  resistance to commonly-used antifungal drugs．Results  A total of 1 148 blood culture samples，77 fungi were separated，resulting in a positive rate of 6.71%．Among the 27 patients with Candida infections，13 cases（48.15%）were caused by Candida parapsilosis and 8 cases（29.63%）by Candida albicans．Candida was isolated from both blood and intravenous catheter cultures in 22 cases，with a positivity  rate of 81.48%．Candida was isolated from both blood and wound secretion cultures in 10 cases（positivity rate of 37.04%），and 4 cases from blood，intravenous catheter and wound secretion cultures（positivity rate of 14.81%）．The detection rate of Candidafrom intravenous catheters was higher than that from other specimen types．Candida bloodstream infections were most commonly observed during the 2nd and 3rd week after admission，with a seasonal peak in spring and summer．The  susceptibility  rates of Candida parapsilosis、Candida albicans and Candida tropicalis to fluconazole were 83.33%、87.50% and 75.00%，respectively．Conclusions  The detection rate of Candida parapsilosis in bloodstream infections among patients with severe burns was the highest．These infections predominantly occur during the spring and summer and in the 2nd and 3rd week post-admission．The presence of intravenous catheters significantly contributes to Candida infections．The Candida in the hospital has high sensitivity to antifungal drugs．